 Before General Slim's offensive to recapture Burma, 1st Wiltshires were rotated back to serve along the North-West Frontier.The 2nd Battalion, Wiltshire Regiment, began the war as part of the 13th Infantry Brigade, which also included 2nd Cameronians (Scottish Rifles) and 2nd Royal Inniskilling Fusiliers (later 5th Essex Regiment), part of the 5th Infantry Division of the British Expeditionary Force in France.The battalion fought in a series of engagements during the Battle of France in May 1940, most notably at the Battle of Arras.